Analyzer: Add status label.

Factor out the status label with timeout from the debugger plugin.
Use in analyzer manager, add standard messages and use that
in memcheck.

Task-number: QTCREATORBUG-4077
Reviewed-by: Daniel Molkentin <daniel.molkentin@nokia.com>

src/libs/utils/statuslabel.cpp

+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** No Commercial Usage
+**
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "statuslabel.h"
+
+#include <QtCore/QTimer>
+
+/*!
+    \class Utils::StatusLabel
+
+    \brief A status label that displays messages for a while with a timeout.
+*/
+
+namespace Utils {
+
+StatusLabel::StatusLabel(QWidget *parent) : QLabel(parent), m_timer(0)
+{
+    // A manual size let's us shrink below minimum text width which is what
+    // we want in [fake] status bars.
+    setMinimumSize(QSize(30, 10));
+}
+
+void StatusLabel::stopTimer()
+{
+    if (m_timer && m_timer->isActive())
+        m_timer->stop();
+}
+
+void StatusLabel::showStatusMessage(const QString &message, int timeoutMS)
+{
+    setText(message);
+    if (timeoutMS > 0) {
+        if (!m_timer) {
+            m_timer = new QTimer(this);
+            m_timer->setSingleShot(true);
+            connect(m_timer, SIGNAL(timeout()), this, SLOT(slotTimeout()));
+        }
+        m_timer->start(timeoutMS);
+    } else {
+        m_lastPermanentStatusMessage = message;
+        stopTimer();
+    }
+}
+
+void StatusLabel::slotTimeout()
+{
+    setText(m_lastPermanentStatusMessage);
+}
+
+void StatusLabel::clearStatusMessage()
+{
+    stopTimer();
+    m_lastPermanentStatusMessage.clear();
+    clear();
+}
+
+} // namespace Utils

src/libs/utils/statuslabel.h

+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** No Commercial Usage
+**
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#ifndef UTILS_STATUSLABEL_H
+#define UTILS_STATUSLABEL_H
+
+#include "utils_global.h"
+
+QT_FORWARD_DECLARE_CLASS(QTimer)
+
+#include <QtGui/QLabel>
+
+namespace Utils {
+
+class QTCREATOR_UTILS_EXPORT StatusLabel : public QLabel
+{
+    Q_OBJECT
+public:
+    explicit StatusLabel(QWidget *parent = 0);
+
+public slots:
+    void showStatusMessage(const QString &message, int timeoutMS = 5000);
+    void clearStatusMessage();
+
+private slots:
+    void slotTimeout();
+
+private:
+    void stopTimer();
+
+    QTimer *m_timer;
+    QString m_lastPermanentStatusMessage;
+};
+
+} // namespace Utils
+
+#endif // UTILS_STATUSLABEL_H

src/libs/utils/utils-lib.pri

@@ -57,6 +57,7 @@ SOURCES += $$PWD/environment.cpp \
     $$PWD/annotateditemdelegate.cpp \
     $$PWD/fileinprojectfinder.cpp \
     $$PWD/ipaddresslineedit.cpp \
+    $$PWD/statuslabel.cpp \
     $$PWD/ssh/sshsendfacility.cpp \
     $$PWD/ssh/sshremoteprocess.cpp \
     $$PWD/ssh/sshpacketparser.cpp \
@@ -169,7 +170,8 @@ HEADERS += $$PWD/environment.h \
     $$PWD/ssh/sftpchannel.h \
     $$PWD/ssh/sftpchannel_p.h \
     $$PWD/ssh/sshremoteprocessrunner.h \
-    $$PWD/settingsutils.h
+    $$PWD/settingsutils.h \
+    $$PWD/statuslabel.h
 
 FORMS += $$PWD/filewizardpage.ui \
     $$PWD/projectintropage.ui \

src/plugins/analyzerbase/analyzermanager.cpp

@@ -71,6 +71,7 @@
 #include <utils/styledbar.h>
 #include <utils/qtcassert.h>
 #include <utils/checkablemessagebox.h>
+#include <utils/statuslabel.h>
 
 #include <cmakeprojectmanager/cmakeprojectconstants.h>
 #include <qt4projectmanager/qt4projectmanagerconstants.h>
@@ -210,6 +211,7 @@ public:
     QMenu *m_menu;
     QComboBox *m_toolBox;
     ActionContainer *m_viewsMenu;
+    Utils::StatusLabel *m_statusLabel;
     typedef QPair<Qt::DockWidgetArea, QDockWidget*> ToolWidgetPair;
     typedef QList<ToolWidgetPair> ToolWidgetPairList;
     QMap<IAnalyzerTool*, ToolWidgetPairList> m_toolWidgets;
@@ -236,6 +238,7 @@ AnalyzerManager::AnalyzerManagerPrivate::AnalyzerManagerPrivate(AnalyzerManager
     m_menu(0),
     m_toolBox(new QComboBox),
     m_viewsMenu(0),
+    m_statusLabel(new Utils::StatusLabel),
     m_resizeEventFilter(new DockWidgetEventFilter(qq)),
     m_initialized(false)
 {
@@ -339,12 +342,13 @@ static QToolButton *toolButton(QAction *action)
     return button;
 }
 
-QWidgetList AnalyzerManager::outputPaneToolBarWidgets() const
+void AnalyzerManager::addOutputPaneToolBarWidgets(QWidgetList *list) const
 {
-    QWidgetList result;
-    result << toolButton(d->m_startAction) << toolButton(d->m_stopAction)
-           << new Utils::StyledSeparator << d->m_toolBox;
-    return result;
+    list->prepend(d->m_toolBox);
+    list->prepend(toolButton(d->m_stopAction));
+    list->prepend(toolButton(d->m_startAction));
+    (*list) << new Utils::StyledSeparator << d->m_statusLabel;
+
 }
 
 QWidget *AnalyzerManager::AnalyzerManagerPrivate::createModeMainWindow()
@@ -733,4 +737,26 @@ void AnalyzerManager::updateRunActions()
     d->m_startAction->setEnabled(startEnabled);
 }
 
+void AnalyzerManager::showStatusMessage(const QString &message, int timeoutMS)
+{
+    d->m_statusLabel->showStatusMessage(message, timeoutMS);
+}
+
+void AnalyzerManager::showPermanentStatusMessage(const QString &message)
+{
+    showStatusMessage(message, -1);
+}
+
+QString AnalyzerManager::msgToolStarted(const QString &name)
+{
+    return tr("Tool '%1' started...").arg(name);
+}
+
+QString AnalyzerManager::msgToolFinished(const QString &name, int issuesFound)
+{
+    return issuesFound ?
+        tr("Tool '%1' finished, %n issues were found.", 0, issuesFound).arg(name) :
+        tr("Tool '%1' finished, no issues were found.").arg(name);
+}
+
 #include "analyzermanager.moc"

src/plugins/analyzerbase/analyzermanager.h

@@ -88,7 +88,14 @@ public:
 
     void selectTool(IAnalyzerTool *tool);
 
-    QList<QWidget *> outputPaneToolBarWidgets() const;
+    void addOutputPaneToolBarWidgets(QList<QWidget *>  *) const;
+
+    static QString msgToolStarted(const QString &name);
+    static QString msgToolFinished(const QString &name, int issuesFound);
+
+public slots:
+    void showStatusMessage(const QString &message, int timeoutMS = 10000);
+    void showPermanentStatusMessage(const QString &message);
 
 private slots:
     void startTool();

src/plugins/analyzerbase/analyzeroutputpane.cpp

@@ -227,8 +227,9 @@ QWidgetList AnalyzerOutputPane::toolBarWidgets() const
         qDebug() << "AnalyzerOutputPane::toolBarWidget";
     QTC_ASSERT(isInitialized(), return QWidgetList(); )
 
-    QWidgetList list = AnalyzerManager::instance()->outputPaneToolBarWidgets();
+    QWidgetList list;
     list << m_toolBarSeparator << m_toolbarStackedWidget;
+    AnalyzerManager::instance()->addOutputPaneToolBarWidgets(&list);
     return list;
 }
 

src/plugins/debugger/debuggerplugin.cpp

@@ -106,6 +106,7 @@
 #include <utils/savedaction.h>
 #include <utils/styledbar.h>
 #include <utils/proxyaction.h>
+#include <utils/statuslabel.h>
 
 #include <qml/scriptconsole.h>
 
@@ -746,8 +747,6 @@ public slots:
     void updateWatchersWindow();
     void onCurrentProjectChanged(ProjectExplorer::Project *project);
 
-    void clearStatusMessage();
-
     void sessionLoaded();
     void aboutToUnloadSession();
     void aboutToSaveSession();
@@ -1018,7 +1017,7 @@ public:
     QIcon m_interruptIcon;
     QIcon m_locationMarkIcon;
 
-    QLabel *m_statusLabel;
+    Utils::StatusLabel *m_statusLabel;
     QComboBox *m_threadBox;
 
     BreakWindow *m_breakWindow;
@@ -1037,7 +1036,6 @@ public:
     ScriptConsole *m_scriptConsoleWindow;
 
     bool m_busy;
-    QTimer m_statusTimer;
     QString m_lastPermanentStatusMessage;
 
     mutable CPlusPlus::Snapshot m_codeModelSnapshot;
@@ -2152,11 +2150,6 @@ void DebuggerPluginPrivate::dumpLog()
     ts << m_logWindow->combinedContents();
 }
 
-void DebuggerPluginPrivate::clearStatusMessage()
-{
-    m_statusLabel->setText(m_lastPermanentStatusMessage);
-}
-
 /*! Activates the previous mode when the current mode is the debug mode. */
 void DebuggerPluginPrivate::activatePreviousMode()
 {
@@ -2216,15 +2209,8 @@ void DebuggerPluginPrivate::showStatusMessage(const QString &msg0, int timeout)
 {
     showMessage(msg0, LogStatus);
     QString msg = msg0;
-    msg.replace(QLatin1Char('\n'), QString());
-    m_statusLabel->setText(msg);
-    if (timeout > 0) {
-        m_statusTimer.setSingleShot(true);
-        m_statusTimer.start(timeout);
-    } else {
-        m_lastPermanentStatusMessage = msg;
-        m_statusTimer.stop();
-    }
+    msg.remove(QLatin1Char('\n'));
+    m_statusLabel->showStatusMessage(msg, timeout);
 }
 
 void DebuggerPluginPrivate::scriptExpressionEntered(const QString &expression)
@@ -2550,8 +2536,7 @@ void DebuggerPluginPrivate::extensionsInitialized()
 
     m_busy = false;
 
-    m_statusLabel = new QLabel;
-    m_statusLabel->setMinimumSize(QSize(30, 10));
+    m_statusLabel = new Utils::StatusLabel;
 
     m_breakHandler = new BreakHandler;
     m_breakWindow = new BreakWindow;
@@ -2674,8 +2659,6 @@ void DebuggerPluginPrivate::extensionsInitialized()
     connect(action(OperateByInstruction), SIGNAL(triggered(bool)),
         SLOT(handleOperateByInstructionTriggered(bool)));
 
-    connect(&m_statusTimer, SIGNAL(timeout()), SLOT(clearStatusMessage()));
-
     ActionContainer *debugMenu =
         am->actionContainer(ProjectExplorer::Constants::M_DEBUG);
 

src/plugins/memcheck/memchecktool.cpp

@@ -430,6 +430,8 @@ IAnalyzerEngine *MemcheckTool::createEngine(ProjectExplorer::RunConfiguration *r
             this, SLOT(parserError(Valgrind::XmlProtocol::Error)));
     connect(engine, SIGNAL(internalParserError(QString)),
             this, SLOT(internalParserError(QString)));
+    connect(engine, SIGNAL(finished()), this, SLOT(finished()));
+    AnalyzerManager::instance()->showStatusMessage(AnalyzerManager::msgToolStarted(displayName()));
     return engine;
 }
 
@@ -523,5 +525,11 @@ IAnalyzerOutputPaneAdapter *MemcheckTool::outputPaneAdapter()
     return m_outputPaneAdapter;
 }
 
+void MemcheckTool::finished()
+{
+    const QString msg = AnalyzerManager::msgToolFinished(displayName(), m_errorModel->rowCount());
+    AnalyzerManager::instance()->showStatusMessage(msg);
+}
+
 } // namespace Internal
 } // namespace Analyzer

src/plugins/memcheck/memchecktool.h

@@ -111,6 +111,7 @@ private slots:
     void internalParserError(const QString &errorString);
     void updateErrorFilter();
     void suppressionActionTriggered();
+    void finished();
     QMenu *filterMenu() const;
 
 private: